preliminary south support

http://south.aeracode.org/

django_extensions/db/fields/__init__.py

@@ -127,6 +127,15 @@ def pre_save(self, model_instance, add):
     def get_internal_type(self):
         return "SlugField"
 
+    def south_field_triple(self):
+        "Returns a suitable description of this field for South."
+        # We'll just introspect the _actual_ field.
+        from south.modelsinspector import introspector
+        field_class = "django.db.models.fields.SlugField"
+        args, kwargs = introspector(self)
+        # That's our definition!
+        return (field_class, args, kwargs)
+
 class CreationDateTimeField(DateTimeField):
     """ CreationDateTimeField
 
@@ -142,6 +151,14 @@ def __init__(self, *args, **kwargs):
     def get_internal_type(self):
         return "DateTimeField"
 
+    def south_field_triple(self):
+        "Returns a suitable description of this field for South."
+        # We'll just introspect ourselves, since we inherit.
+        from south.modelsinspector import introspector
+        field_class = "django.db.models.fields.DateTimeField"
+        args, kwargs = introspector(self)
+        return (field_class, args, kwargs)
+
 class ModificationDateTimeField(CreationDateTimeField):
     """ ModificationDateTimeField
 
@@ -158,6 +175,14 @@ def pre_save(self, model, add):
     def get_internal_type(self):
         return "DateTimeField"
 
+    def south_field_triple(self):
+        "Returns a suitable description of this field for South."
+        # We'll just introspect ourselves, since we inherit.
+        from south.modelsinspector import introspector
+        field_class = "django.db.models.fields.DateTimeField"
+        args, kwargs = introspector(self)
+        return (field_class, args, kwargs)
+
 class UUIDVersionError(Exception):
     pass
 
@@ -210,4 +235,13 @@ def pre_save(self, model_instance, add):
             if self.auto and not value:
                 value = unicode(self.create_uuid())
                 setattr(model_instance, self.attname, value)
-        return value
+        return value
+
+    def south_field_triple(self):
+        "Returns a suitable description of this field for South."
+        # We'll just introspect the _actual_ field.
+        from south.modelsinspector import introspector
+        field_class = "django.db.models.fields.CharField"
+        args, kwargs = introspector(self)
+        # That's our definition!
+        return (field_class, args, kwargs)